/* css/responsive.css */
@media (max-width: 768px) {
    .navbar {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav-links {
        flex-direction: column;
        width: 100%;
        display: none;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .materi-container {
        padding: 1rem;
    }
    
    .materi-nav {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .hero {
        padding: 2rem 0;
    }
    
    .card-header i {
        font-size: 2rem;
    }
}

/* Add to existing css/responsive.css */

@media (max-width: 768px) {
    .progress-container {
        position: static;
        margin: 1rem 0;
    }
    
    .step-item {
        padding: 1.5rem 0 1.5rem 3rem;
        margin-left: 1rem;
    }
    
    .step-item::before {
        left: -1rem;
        top: 1.5rem;
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1rem;
    }
    
    .comparison-table {
        font-size: 0.9rem;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 0.8rem;
    }
    
    .learning-objectives {
        padding: 1.5rem;
    }
    
    .objective-item {
        padding: 0.8rem;
    }
}

@media (max-width: 480px) {
    .step-item {
        padding: 1rem 0 1rem 2.5rem;
        margin-left: 0.5rem;
    }
    
    .step-item::before {
        left: -0.8rem;
        width: 2rem;
        height: 2rem;
        font-size: 0.9rem;
    }
    
    .resource-item {
        flex-direction: column;
        text-align: center;
    }
}

/* Responsive styles for Pertemuan 13 */
.layout-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 1024px) {
    .layout-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .sidebar {
        order: 2;
    }
    
    .main-content {
        order: 1;
    }
}

/* Breadcrumb improvements */
.breadcrumb ol {
    display: flex;
    list-style: none;
    padding: 0;
    margin: 0 0 1rem 0;
    flex-wrap: wrap;
}

.breadcrumb li {
    display: flex;
    align-items: center;
}

.breadcrumb li:not(:last-child)::after {
    content: "/";
    margin: 0 0.5rem;
    color: var(--text-color);
    opacity: 0.6;
}

.breadcrumb a {
    color: var(--secondary-color);
    text-decoration: none;
}

.breadcrumb [aria-current="page"] {
    color: var(--text-color);
    opacity: 0.7;
}

/* Header meta improvements */
.header-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-color);
    opacity: 0.8;
}

/* Objectives grid improvements */
.objectives-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

@media (max-width: 480px) {
    .objectives-grid {
        grid-template-columns: 1fr;
    }
}

.objective-card {
    background: white;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.objective-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.objective-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: white;
    font-size: 1.5rem;
}

/* Technology comparison improvements */
.technology-comparison {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 2rem;
    align-items: start;
    margin: 2rem 0;
}

@media (max-width: 768px) {
    .technology-comparison {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .comparison-arrow {
        transform: rotate(90deg);
        text-align: center;
        padding: 1rem 0;
    }
}

/* Edge architecture improvements */
.edge-architecture {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin: 2rem 0;
}

@media (max-width: 768px) {
    .layer-components {
        flex-direction: column;
        align-items: center;
    }
    
    .component {
        width: 100%;
        max-width: 200px;
    }
}

/* Benefits grid improvements */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1rem;
}

@media (max-width: 480px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

/* Content navigation improvements */
.content-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--light-color);
}

@media (max-width: 768px) {
    .content-navigation {
        grid-template-columns: 1fr;
    }
}

.nav-button {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
}

.nav-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
}

.nav-button.prev {
    text-align: left;
}

.nav-button.next {
    text-align: right;
    flex-direction: row-reverse;
}

/* Print styles */
@media print {
    .sidebar,
    .content-navigation,
    .mobile-menu-btn {
        display: none !important;
    }
    
    .layout-grid {
        display: block;
    }
    
    .materi-container {
        box-shadow: none;
        padding: 0;
    }
}